How to Install NLTK in Python

NLTK (Natural Language Tool Kit) is a platform for building Python programs to work with human language data.

NLTK requires Python versions 3.5, 3.6, 3.7, or 3.8 in your system.

Mac/Unix

1. Install NLTK: run pip install --user -U nltk
2. Install Numpy (optional): run pip install --user -U numpy
3. Test installation: run python then type import nltk

Windows

These instructions assume that you do not already have Python installed on your machine.

1. Install NLTK: http://pypi.python.org/pypi/nltk
2. Test installation: Start>Python38, then type import nltk

Installing NLTK Data

After installing the NLTK package, please do install the necessary datasets/models for specific functions to work.

If you’re unsure of which datasets/models you’ll need, you can install the “popular” subset of NLTK data, on the command line type python -m nltk.downloader popular